PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61603-1Socket,wrench,face Spanner

Parker-Hannifin Corporation Dba Control Systems Division · NSN 5120-00-977-3327 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-977-3327 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-977-3327. Primary manufacturer part number: 61603-1.
Features
  • Socket,wrench,face Spanner — FSC 5120
  • Opening Diameter: 1.141 INCHES NOMINAL IN
  • Lug Length: 0.125 INCHES NOMINAL IN
  • Outside Diameter: 1.500 INCHES NOMINAL IN
  • Style Designator: LUG
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Lug Width: 0.115 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-00-977-3327, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Control Systems Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-977-3327
Primary Part Number61603-1
Item NameSocket,wrench,face Spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Control Systems Division
StatusACTIVE
Opening Diameter1.141 INCHES NOMINAL IN
Lug Length0.125 INCHES NOMINAL IN
Outside Diameter1.500 INCHES NOMINAL IN
Style DesignatorLUG
MaterialSTEEL OVERALL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Lug Width0.115 INCHES NOMINAL IN
Angle Between Lugs45.0 DEGREES NOMINAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-132-6939 INTERCHANGEABLE
Contact Positioner,terminal Crim
Cross-Reference Index
Part NumberManufacturer
61603-1 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
Related Parts
5120-00-132-6939INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM

Frequently Asked Questions

What is NSN 5120-00-977-3327?

NSN 5120-00-977-3327 is a Socket,wrench,face Spanner, manufactured by Parker-Hannifin Corporation Dba Control Systems Division, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-977-3327?

NSN 5120-00-977-3327 has 1 cross-referenced part number: 61603-1 (Parker-Hannifin Corporation Dba Control Systems Division).

What NSN replaces 5120-00-977-3327?

There is 1 known substitute for 5120-00-977-3327: 5120-00-132-6939. Verify interchangeability with system specifications before substitution.

What are the specifications of 61603-1?

Key specifications for 61603-1: Opening Diameter: 1.141 INCHES NOMINAL IN; Lug Length: 0.125 INCHES NOMINAL IN; Outside Diameter: 1.500 INCHES NOMINAL IN; Overall Length: 2.797 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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